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CA2306829A1 - Automatic priming of blood sets - Google Patents

Automatic priming of blood sets Download PDF

Info

Publication number
CA2306829A1
CA2306829A1 CA002306829A CA2306829A CA2306829A1 CA 2306829 A1 CA2306829 A1 CA 2306829A1 CA 002306829 A CA002306829 A CA 002306829A CA 2306829 A CA2306829 A CA 2306829A CA 2306829 A1 CA2306829 A1 CA 2306829A1
Authority
CA
Canada
Prior art keywords
flow
blood processing
blood
priming
sets
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA002306829A
Other languages
French (fr)
Other versions
CA2306829C (en
Inventor
David S. Utterberg
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
DSU Medical Corp
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of CA2306829A1 publication Critical patent/CA2306829A1/en
Application granted granted Critical
Publication of CA2306829C publication Critical patent/CA2306829C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/36—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
    • A61M1/3621—Extra-corporeal blood circuits
    • A61M1/3643—Priming, rinsing before or after use
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/36—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
    • A61M1/3621—Extra-corporeal blood circuits
    • A61M1/3643—Priming, rinsing before or after use
    • A61M1/3644—Mode of operation
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/36—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
    • A61M1/3621—Extra-corporeal blood circuits
    • A61M1/3643—Priming, rinsing before or after use
    • A61M1/3644—Mode of operation
    • A61M1/3647—Mode of operation with recirculation of the priming solution
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/36—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
    • A61M1/3621—Extra-corporeal blood circuits
    • A61M1/3627—Degassing devices; Buffer reservoirs; Drip chambers; Blood filters
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/36—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
    • A61M1/3621—Extra-corporeal blood circuits
    • A61M1/3639—Blood pressure control, pressure transducers specially adapted therefor
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/12—General characteristics of the apparatus with interchangeable cassettes forming partially or totally the fluid circuit
    • A61M2205/125—General characteristics of the apparatus with interchangeable cassettes forming partially or totally the fluid circuit with incorporated filters

Landscapes

  • Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Biomedical Technology (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (AREA)
  • Cardiology (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • External Artificial Organs (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)

Abstract

A blood processing system including a blood processing unit (12) and a tubular arterial set (10) and a tubular venous set (14) may be primed by passing priming solution in a first direction of flow through at least one of the sets, to cause the priming solution to enter an in-line chamber (64) carried by the one set in a flow direction that is retrograde to the normal direction of blood flow through the chamber (64). Preferably, the in-line filter chamber carries a filter (65). Simulteaneously, air is removed from the one set through a port. In another, preferably simultaneous step of the process, the priming solution is passed in a second flow direction, which is reverse the first flow direction, through the blood processing unit and connected sets while continuing to remove air from the system through the port, to complete priming of the system.
CA002306829A 1997-10-21 1998-10-13 Automatic priming of blood sets Expired - Fee Related CA2306829C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/954,804 1997-10-21
US08/954,804 US5951870A (en) 1997-10-21 1997-10-21 Automatic priming of blood sets
PCT/US1998/021591 WO1999020376A1 (en) 1997-10-21 1998-10-13 Automatic priming of blood sets

Publications (2)

Publication Number Publication Date
CA2306829A1 true CA2306829A1 (en) 1999-04-29
CA2306829C CA2306829C (en) 2007-05-01

Family

ID=25495950

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002306829A Expired - Fee Related CA2306829C (en) 1997-10-21 1998-10-13 Automatic priming of blood sets

Country Status (6)

Country Link
US (1) US5951870A (en)
EP (1) EP1027137A4 (en)
JP (1) JP4301729B2 (en)
AU (1) AU743310B2 (en)
CA (1) CA2306829C (en)
WO (1) WO1999020376A1 (en)

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Also Published As

Publication number Publication date
JP2001520101A (en) 2001-10-30
WO1999020376A1 (en) 1999-04-29
US5951870A (en) 1999-09-14
AU743310B2 (en) 2002-01-24
AU9695098A (en) 1999-05-10
EP1027137A4 (en) 2009-09-02
EP1027137A1 (en) 2000-08-16
JP4301729B2 (en) 2009-07-22
CA2306829C (en) 2007-05-01

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